Product Description
(10) Wearable clip-on Nitrogen Dioxide Badge Placques N-1P for color change refills
(Color Change Nitrogen Dioxide indicators are not included -if you need them order N-1R-10 or the kit: N-1K)
(10) Wearable clip-on Nitrogen Dioxide Badge Placques N-1P for color change refills
(Color Change Nitrogen Dioxide indicators are not included -if you need them order N-1R-10 or the kit: N-1K)